Changeset 2156 for pjproject/trunk/pjsip-apps/src/python

Timestamp:

Jul 18, 2008 11:00:56 PM (16 years ago)

Author:

bennylp

Message:

Implemented ticket #192 for Python: Add callback to notify application about incoming SUBSCRIBE request, and add subscription state and termination reason in buddy info

Location:

pjproject/trunk/pjsip-apps/src/python

Files:

• _pjsua.c (modified) (5 diffs)
• _pjsua.h (modified) (10 diffs)
• pjsua.py (modified) (15 diffs)
• samples/subscribe.py (added)

pjproject/trunk/pjsip-apps/src/python/_pjsua.c

@@ -341 +341 @@
 }
 
+/* 
+ * cb_on_incoming_subscribe
+ */
+static void cb_on_incoming_subscribe( pjsua_acc_id acc_id,
+                                      pjsua_srv_pres *srv_pres,
+                                      pjsua_buddy_id buddy_id,
+                                      const pj_str_t *from,
+                                      pjsip_rx_data *rdata,
+                                      pjsip_status_code *code,
+                                      pj_str_t *reason,
+                                      pjsua_msg_data *msg_data)
+{
+    static char reason_buf[64];
+
+    PJ_UNUSED_ARG(rdata);
+    PJ_UNUSED_ARG(msg_data);
+
+    if (PyCallable_Check(g_obj_callback->on_incoming_subscribe))
+    {
+        PyObject *ret;
+
+        ENTER_PYTHON();
+
+        ret = PyObject_CallFunctionObjArgs(
+            g_obj_callback->on_incoming_subscribe,
+            Py_BuildValue("i", acc_id),
+            Py_BuildValue("i", buddy_id),
+            PyString_FromStringAndSize(from->ptr, from->slen),
+            PyLong_FromLong((long)srv_pres),
+            NULL
+        );
+
+        if (ret && PyTuple_Check(ret)) {
+            if (PyTuple_Size(ret) >= 1)
+                *code = (int)PyInt_AsLong(PyTuple_GetItem(ret, 0));
+            if (PyTuple_Size(ret) >= 2) {
+                if (PyTuple_GetItem(ret, 1) != Py_None) {
+                    pj_str_t tmp;
+                    tmp = PyString_to_pj_str(PyTuple_GetItem(ret, 1));
+                    reason->ptr = reason_buf;
+                    pj_strncpy(reason, &tmp, sizeof(reason_buf));
+                } else {
+                }
+            }
+
+        } else if (ret) {
+            Py_XDECREF(ret);
+        }
+
+        LEAVE_PYTHON();
+    }
+}
 
 /*
@@ -372 +424 @@
                         pjsip_rx_data *rdata, pjsua_acc_id acc_id)
 {
+    PJ_UNUSED_ARG(rdata);
+
     if (PyCallable_Check(g_obj_callback->on_pager))
     {
@@ -912 +966 @@
         cfg_ua.cb.on_call_replaced = &cb_on_call_replaced;
         cfg_ua.cb.on_reg_state = &cb_on_reg_state;
+        cfg_ua.cb.on_incoming_subscribe = &cb_on_incoming_subscribe;
         cfg_ua.cb.on_buddy_state = &cb_on_buddy_state;
         cfg_ua.cb.on_pager2 = &cb_on_pager;
@@ -1879 +1934 @@
 }
 
+
+/*
+ * py_pjsua_acc_pres_notify
+ */
+static PyObject *py_pjsua_acc_pres_notify
+(PyObject *pSelf, PyObject *pArgs)
+{
+    static char reason_buf[64];
+    int acc_id, state;
+    PyObject *arg_pres, *arg_msg_data;
+    void *srv_pres;
+    pjsua_msg_data msg_data;
+    const char *arg_reason;
+    pj_str_t reason;
+    pj_bool_t with_body;
+    pj_pool_t *pool = NULL;
+    int status; 
+    
+    PJ_UNUSED_ARG(pSelf);
+
+    if (!PyArg_ParseTuple(pArgs, "iOisO", &acc_id, &arg_pres, 
+                          &state, &arg_reason, &arg_msg_data))
+    {
+        return NULL;
+    }   
+    
+    srv_pres = (void*) PyLong_AsLong(arg_pres);
+    pjsua_msg_data_init(&msg_data);
+    with_body = (state != PJSIP_EVSUB_STATE_TERMINATED);
+
+    if (arg_reason) {
+        strncpy(reason_buf, arg_reason, sizeof(reason_buf));
+        reason.ptr = reason_buf;
+        reason.slen = strlen(arg_reason);
+    } else {
+        reason = pj_str("");
+    }
+
+    if (arg_msg_data && arg_msg_data != Py_None) {
+        PyObj_pjsua_msg_data *omd = (PyObj_pjsua_msg_data *)arg_msg_data;
+        msg_data.content_type.ptr = PyString_AsString(omd->content_type);
+        msg_data.content_type.slen = PyString_Size(omd->content_type);
+        msg_data.msg_body.ptr = PyString_AsString(omd->msg_body);
+        msg_data.msg_body.slen = PyString_Size(omd->msg_body);
+        pool = pjsua_pool_create("pytmp", POOL_SIZE, POOL_SIZE);
+        translate_hdr(pool, &msg_data.hdr_list, omd->hdr_list);
+    } else if (arg_msg_data) {
+        Py_XDECREF(arg_msg_data);    
+    }
+
+    status = pjsua_pres_notify(acc_id, (pjsua_srv_pres*)srv_pres,
+                               (pjsip_evsub_state)state, NULL,
+                               &reason, with_body, &msg_data);
+    
+    if (pool) {
+        pj_pool_release(pool);
+    }
+
+    return Py_BuildValue("i", status);
+}
 
 static char pjsua_acc_config_default_doc[] =
@@ -5543 +5658 @@
     },
     {
+        "acc_pres_notify", py_pjsua_acc_pres_notify, METH_VARARGS,
+        "Accept or reject subscription request"
+    },
+    {
         "enum_accs", py_pjsua_enum_accs, METH_VARARGS,
         pjsua_enum_accs_doc

pjproject/trunk/pjsip-apps/src/python/_pjsua.h

@@ -508 +508 @@
     PyObject * on_call_replaced;
     PyObject * on_reg_state;
+    PyObject * on_incoming_subscribe;
     PyObject * on_buddy_state;
     PyObject * on_pager;
@@ -530 +531 @@
     Py_XDECREF(self->on_call_replaced);
     Py_XDECREF(self->on_reg_state);
+    Py_XDECREF(self->on_incoming_subscribe);
     Py_XDECREF(self->on_buddy_state);
     Py_XDECREF(self->on_pager);
@@ -617 +619 @@
             return NULL;
         }
+        Py_INCREF(Py_None);
+        self->on_incoming_subscribe = Py_None;
         Py_INCREF(Py_None);
         self->on_buddy_state = Py_None;
@@ -718 +722 @@
         "Notify application when registration status has changed. Application "
         "may then query the account info to get the registration details."
+    },
+    {
+        "on_incoming_subscribe", T_OBJECT_EX,
+        offsetof(PyObj_pjsua_callback, on_incoming_subscribe), 0,
+        "Notification when incoming SUBSCRIBE request is received."
     },
     {
@@ -2769 +2778 @@
     int          monitor_pres;
     int          activity;
+    int          sub_state;
+    PyObject    *sub_term_reason;
 } PyObj_pjsua_buddy_info;
 
@@ -2782 +2793 @@
     Py_XDECREF(self->contact);
     Py_XDECREF(self->status_text);
+    Py_XDECREF(self->sub_term_reason);
     
     self->ob_type->tp_free((PyObject*)self);
@@ -2801 +2813 @@
     obj->monitor_pres = info->monitor_pres;
     obj->activity = info->rpid.activity;
+    obj->sub_state = info->sub_state;
+    Py_XDECREF(obj->sub_term_reason);
+    obj->sub_term_reason = PyString_FromStringAndSize(info->sub_term_reason.ptr, 
+                                                      info->sub_term_reason.slen);
 }
 
@@ -2824 +2840 @@
             Py_DECREF(self);
             return NULL;
-        }        
+        }
         self->contact = PyString_FromString("");
         if (self->contact == NULL) {
@@ -2835 +2851 @@
             return NULL;
         }
-        
+        self->sub_term_reason = PyString_FromString("");
     }
     return (PyObject *)self;
@@ -2882 +2898 @@
         offsetof(PyObj_pjsua_buddy_info, activity), 0,
         "Activity type. "
+    },
+    {
+        "sub_state", T_INT, 
+        offsetof(PyObj_pjsua_buddy_info, sub_state), 0,
+        "Subscription state."
+    },
+    {
+        "sub_term_reason", T_INT, 
+        offsetof(PyObj_pjsua_buddy_info, sub_term_reason), 0,
+        "Subscription termination reason."
     },
     

pjproject/trunk/pjsip-apps/src/python/pjsua.py

@@ -148 +148 @@
     Member documentation:
 
-    NONE        -- media is not available.
+    NULL        -- media is not available.
     ACTIVE      -- media is active.
     LOCAL_HOLD  -- media is put on-hold by local party.
@@ -154 +154 @@
     ERROR       -- media error (e.g. ICE negotiation failure).
     """
-    NONE = 0
+    NULL = 0
     ACTIVE = 1
     LOCAL_HOLD = 2
@@ -166 +166 @@
     Member documentation:
 
-    NONE              -- media is not active
+    NULL              -- media is not active
     ENCODING          -- media is active in transmit/encoding direction only.
     DECODING          -- media is active in receive/decoding direction only
     ENCODING_DECODING -- media is active in both directions.
     """
-    NONE = 0
+    NULL = 0
     ENCODING = 1
     DECODING = 2
@@ -189 +189 @@
     AWAY = 1
     BUSY = 2
+
+
+class SubscriptionState:
+    """Presence subscription state constants.
+
+    """
+    NULL = 0
+    SENT = 1
+    ACCEPTED = 2
+    PENDING = 3
+    ACTIVE = 4
+    TERMINATED = 5
+    UNKNOWN = 6
+
 
 class TURNConnType:
@@ -862 +876 @@
         reject the call with default status code.
 
-    Keyword arguments:
-    call    -- the new incoming call
+        Keyword arguments:
+        call    -- the new incoming call
         """
         call.hangup()
+
+    def on_incoming_subscribe(self, buddy, from_uri, pres_obj):
+        """Notification when incoming SUBSCRIBE request is received. 
+        
+        Application may use this callback to authorize the incoming 
+        subscribe request (e.g. ask user permission if the request 
+        should be granted)
+
+        Keyword arguments:
+        buddy       -- The buddy object, if buddy is found. Otherwise
+                       the value is None.
+        from_uri    -- The URI string of the sender.
+        pres_obj    -- Opaque presence subscription object, which is
+                       needed by Account.pres_notify()
+
+        Return:
+            Tuple (code, reason), where:
+             code:      The status code. If code is >= 300, the
+                        request is rejected. If code is 200, the
+                        request is accepted and NOTIFY will be sent
+                        automatically. If code is 202, application
+                        must accept or reject the request later with
+                        Account.press_notify().
+             reason:    Optional reason phrase, or None to use the
+                        default reasoh phrase for the status code.
+        """
+        return (200, None)
 
     def on_pager(self, from_uri, contact, mime_type, body):
@@ -952 +993 @@
         id  -- the pjsua account ID.
         """
-        _cb = AccountCallback(self)
+        self._cb = AccountCallback(self)
         self._id = id
         self._lib = lib
@@ -1102 +1143 @@
         return Buddy(self._lib, buddy_id, self)
 
+    def pres_notify(self, pres_obj, state, reason="", hdr_list=None):
+        """Send NOTIFY to inform account presence status or to terminate
+        server side presence subscription.
+        
+        Keyword arguments:
+        pres_obj    -- The subscription object from on_incoming_subscribe()
+                       callback
+        state       -- Subscription state, from SubscriptionState
+        reason      -- Optional reason phrase.
+        hdr_list    -- Optional header list.
+        """
+        _pjsua.acc_pres_notify(self._id, pres_obj, state, reason, 
+                               Lib._create_msg_data(hdr_list))
 
 class CallCallback:
@@ -1276 +1330 @@
     last_code = 0
     last_reason = ""
-    media_state = MediaState.NONE
-    media_dir = MediaDir.NONE
+    media_state = MediaState.NULL
+    media_dir = MediaDir.NULL
     conf_slot = -1
     call_time = 0
@@ -1530 +1584 @@
     subscribed      -- specify whether buddy's presence status is currently
                        being subscribed.
+    sub_state       -- SubscriptionState
+    sub_term_reason -- The termination reason string of the last presence
+                       subscription to this buddy, if any.
     """
     uri = ""
@@ -1537 +1594 @@
     activity = PresenceActivity.UNKNOWN
     subscribed = False
+    sub_state = SubscriptionState.NULL
+    sub_term_reason = ""
 
     def __init__(self, pjsua_bi=None):
@@ -1549 +1608 @@
         self.activity = inf.activity
         self.subscribed = inf.monitor_pres
+        self.sub_state = inf.sub_state
+        self.sub_term_reason = inf.sub_term_reason
 
 
@@ -1867 +1928 @@
         py_ua_cfg.cb.on_call_replaced = _cb_on_call_replaced
         py_ua_cfg.cb.on_reg_state = _cb_on_reg_state
+        py_ua_cfg.cb.on_incoming_subscribe = _cb_on_incoming_subscribe
         py_ua_cfg.cb.on_buddy_state = _cb_on_buddy_state
         py_ua_cfg.cb.on_pager = _cb_on_pager
@@ -2267 +2329 @@
 
     def _lookup_buddy(self, buddy_id, uri=None):
-        print "lookup_buddy, id=", buddy_id
         buddy = self.buddy.has_key(buddy_id) and self.buddy[buddy_id] or None
         if uri and not buddy:
             sip_uri = SIPUri(uri)
-            print "lookup_buddy, uri=", sip_uri.user, sip_uri.host
             buddy = self.buddy_by_uri.has_key( (sip_uri.user, sip_uri.host) ) \
                     and self.buddy_by_uri[(sip_uri.user, sip_uri.host)] or \
@@ -2289 +2349 @@
         if acc:
             acc._cb.on_reg_state()
+
+    def _cb_on_incoming_subscribe(self, acc_id, buddy_id, from_uri, pres_obj):
+        acc = self._lookup_account(acc_id)
+        if acc:
+            buddy = self._lookup_buddy(buddy_id)
+            return acc._cb.on_incoming_subscribe(buddy, from_uri, pres_obj)
+        else:
+            return (404, None)
 
     def _cb_on_incoming_call(self, acc_id, call_id, rdata):
@@ -2425 +2493 @@
     _lib._cb_on_reg_state(acc_id)
 
+def _cb_on_incoming_subscribe(acc_id, buddy_id, from_uri, pres):
+    return _lib._cb_on_incoming_subscribe(acc_id, buddy_id, from_uri, pres)
+
 def _cb_on_buddy_state(buddy_id):
     _lib._cb_on_buddy_state(buddy_id)